Make code reading BMP files more robust.

[wxWidgets.git] / src / common / fontcmn.cpp

diff --git a/src/common/fontcmn.cpp b/src/common/fontcmn.cpp
index 5ac8cce15e6eb60094e002b139301d9b847b2525..52936bfbe16e094a8499ffeb7ff3a0befe2475b9 100644 (file)
--- a/src/common/fontcmn.cpp
+++ b/src/common/fontcmn.cpp
@@ -29,6 +29,7 @@
 #ifndef WX_PRECOMP
     #include "wx/dc.h"
     #include "wx/intl.h"
 #ifndef WX_PRECOMP
     #include "wx/dc.h"
     #include "wx/intl.h"

+    #include "wx/math.h"

     #include "wx/dcscreen.h"
     #include "wx/log.h"
     #include "wx/gdicmn.h"
     #include "wx/dcscreen.h"
     #include "wx/log.h"
     #include "wx/gdicmn.h"


@@ -45,67 +46,89 @@
 
 #include "wx/tokenzr.h"
 
 
 #include "wx/tokenzr.h"
 

-// ============================================================================
-// implementation
-// ============================================================================
-
-// ----------------------------------------------------------------------------
-// helper functions
-// ----------------------------------------------------------------------------
-
-static void AdjustFontSize(wxFont& font, wxDC& dc, const wxSize& pixelSize)
+// debugger helper: this function can be called from a debugger to show what
+// the date really is
+extern const char *wxDumpFont(const wxFont *font)

 {
 {

-    int currentSize = 0;
-    int largestGood = 0;
-    int smallestBad = 0;
+    static char buf[256];

 
 

-    bool initialGoodFound = false;
-    bool initialBadFound = false;
-
-    // NB: this assignment was separated from the variable definition
-    // in order to fix a gcc v3.3.3 compiler crash
-    currentSize = font.GetPointSize();
-    while (currentSize > 0)
-    {
-        dc.SetFont(font);
+    const wxFontWeight weight = font->GetWeight();

 
 

-        // if currentSize (in points) results in a font that is smaller
-        // than required by pixelSize it is considered a good size
-        if (dc.GetCharHeight() <= pixelSize.GetHeight() &&
-                (!pixelSize.GetWidth() ||
-                 dc.GetCharWidth() <= pixelSize.GetWidth()))
-        {
-            largestGood = currentSize;
-            initialGoodFound = true;
-        }
-        else
-        {
-            smallestBad = currentSize;
-            initialBadFound = true;
-        }
-        if (!initialGoodFound)
-        {
-            currentSize /= 2;
-        }
-        else if (!initialBadFound)
-        {
-            currentSize *= 2;
-        }
-        else
-        {
-            int distance = smallestBad - largestGood;
-            if (distance == 1)
-                break;
+    wxString s;
+    s.Printf(wxS("%s-%s-%s-%d-%d"),
+             font->GetFaceName(),
+             weight == wxFONTWEIGHT_NORMAL
+                ? wxT("normal")
+                : weight == wxFONTWEIGHT_BOLD
+                    ? wxT("bold")
+                    : wxT("light"),
+             font->GetStyle() == wxFONTSTYLE_NORMAL
+                ? wxT("regular")
+                : wxT("italic"),
+             font->GetPointSize(),
+             font->GetEncoding());
+
+    wxStrlcpy(buf, s.mb_str(), WXSIZEOF(buf));
+    return buf;
+}

 
 

-            currentSize = largestGood + distance / 2;
-        }
+// ----------------------------------------------------------------------------
+// XTI
+// ----------------------------------------------------------------------------

 
 

-        font.SetPointSize(currentSize);
-    }
+wxBEGIN_ENUM( wxFontFamily )
+wxENUM_MEMBER( wxFONTFAMILY_DEFAULT )
+wxENUM_MEMBER( wxFONTFAMILY_DECORATIVE )
+wxENUM_MEMBER( wxFONTFAMILY_ROMAN )
+wxENUM_MEMBER( wxFONTFAMILY_SCRIPT )
+wxENUM_MEMBER( wxFONTFAMILY_SWISS )
+wxENUM_MEMBER( wxFONTFAMILY_MODERN )
+wxENUM_MEMBER( wxFONTFAMILY_TELETYPE )
+wxEND_ENUM( wxFontFamily )
+
+wxBEGIN_ENUM( wxFontStyle )
+wxENUM_MEMBER( wxFONTSTYLE_NORMAL )
+wxENUM_MEMBER( wxFONTSTYLE_ITALIC )
+wxENUM_MEMBER( wxFONTSTYLE_SLANT )
+wxEND_ENUM( wxFontStyle )
+
+wxBEGIN_ENUM( wxFontWeight )
+wxENUM_MEMBER( wxFONTWEIGHT_NORMAL )
+wxENUM_MEMBER( wxFONTWEIGHT_LIGHT )
+wxENUM_MEMBER( wxFONTWEIGHT_BOLD )
+wxEND_ENUM( wxFontWeight )
+
+wxIMPLEMENT_DYNAMIC_CLASS_WITH_COPY_XTI(wxFont, wxGDIObject, "wx/font.h")
+
+//WX_IMPLEMENT_ANY_VALUE_TYPE(wxAnyValueTypeImpl<wxFont>)
+
+wxBEGIN_PROPERTIES_TABLE(wxFont)
+wxPROPERTY( Size,int, SetPointSize, GetPointSize, 12, 0 /*flags*/, \
+           wxT("Helpstring"), wxT("group"))
+wxPROPERTY( Family, wxFontFamily , SetFamily, GetFamily, (wxFontFamily)wxDEFAULT, \
+           0 /*flags*/, wxT("Helpstring"), wxT("group")) // wxFontFamily
+wxPROPERTY( Style, wxFontStyle, SetStyle, GetStyle, (wxFontStyle)wxNORMAL, 0 /*flags*/, \
+           wxT("Helpstring"), wxT("group")) // wxFontStyle
+wxPROPERTY( Weight, wxFontWeight, SetWeight, GetWeight, (wxFontWeight)wxNORMAL, 0 /*flags*/, \
+           wxT("Helpstring"), wxT("group")) // wxFontWeight
+wxPROPERTY( Underlined, bool, SetUnderlined, GetUnderlined, false, 0 /*flags*/, \
+           wxT("Helpstring"), wxT("group"))
+wxPROPERTY( Strikethrough, bool, SetStrikethrough, GetStrikethrough, false, 0, \
+                   wxT("Helpstring"), wxT("group"))
+wxPROPERTY( Face, wxString, SetFaceName, GetFaceName, wxEMPTY_PARAMETER_VALUE, \
+           0 /*flags*/, wxT("Helpstring"), wxT("group"))
+wxPROPERTY( Encoding, wxFontEncoding, SetEncoding, GetEncoding, \
+           wxFONTENCODING_DEFAULT, 0 /*flags*/, wxT("Helpstring"), wxT("group"))
+wxEND_PROPERTIES_TABLE()
+
+wxCONSTRUCTOR_6( wxFont, int, Size, wxFontFamily, Family, wxFontStyle, Style, wxFontWeight, Weight, \
+                bool, Underlined, wxString, Face )
+
+wxEMPTY_HANDLERS_TABLE(wxFont)

 
 

-    if (currentSize != largestGood)
-        font.SetPointSize(largestGood);
-}
+// ============================================================================
+// implementation
+// ============================================================================

 
 // ----------------------------------------------------------------------------
 // wxFontBase
 
 // ----------------------------------------------------------------------------
 // wxFontBase


@@ -119,7 +142,7 @@ void wxFontBase::SetDefaultEncoding(wxFontEncoding encoding)
     // GetDefaultEncoding() should return something != wxFONTENCODING_DEFAULT
     // and, besides, using this value here doesn't make any sense
     wxCHECK_RET( encoding != wxFONTENCODING_DEFAULT,
     // GetDefaultEncoding() should return something != wxFONTENCODING_DEFAULT
     // and, besides, using this value here doesn't make any sense
     wxCHECK_RET( encoding != wxFONTENCODING_DEFAULT,

-                 _T("can't set default encoding to wxFONTENCODING_DEFAULT") );
+                 wxT("can't set default encoding to wxFONTENCODING_DEFAULT") );

 
     ms_encodingDefault = encoding;
 }
 
     ms_encodingDefault = encoding;
 }


@@ -131,9 +154,9 @@ wxFontBase::~wxFontBase()
 
 /* static */
 wxFont *wxFontBase::New(int size,
 
 /* static */
 wxFont *wxFontBase::New(int size,

-                        int family,
-                        int style,
-                        int weight,
+                        wxFontFamily family,
+                        wxFontStyle style,
+                        wxFontWeight weight,

                         bool underlined,
                         const wxString& face,
                         wxFontEncoding encoding)
                         bool underlined,
                         const wxString& face,
                         wxFontEncoding encoding)


@@ -141,27 +164,17 @@ wxFont *wxFontBase::New(int size,
     return new wxFont(size, family, style, weight, underlined, face, encoding);
 }
 
     return new wxFont(size, family, style, weight, underlined, face, encoding);
 }
 

-static inline int flags2Style(int flags)
-{
-    return flags & wxFONTFLAG_ITALIC
-                    ? wxFONTSTYLE_ITALIC
-                    : flags & wxFONTFLAG_SLANT
-                        ? wxFONTSTYLE_SLANT
-                        : wxFONTSTYLE_NORMAL;
-}
-
-static inline int flags2Weight(int flags)
-{
-    return flags & wxFONTFLAG_LIGHT
-                    ? wxFONTWEIGHT_LIGHT
-                    : flags & wxFONTFLAG_BOLD
-                        ? wxFONTWEIGHT_BOLD
-                        : wxFONTWEIGHT_NORMAL;
-}
-
-static inline bool flags2Underlined(int flags)
+/* static */
+wxFont *wxFontBase::New(const wxSize& pixelSize,
+                        wxFontFamily family,
+                        wxFontStyle style,
+                        wxFontWeight weight,
+                        bool underlined,
+                        const wxString& face,
+                        wxFontEncoding encoding)

 {
 {

-    return (flags & wxFONTFLAG_UNDERLINED) != 0;
+    return new wxFont(pixelSize, family, style, weight, underlined,
+                      face, encoding);

 }
 
 /* static */
 }
 
 /* static */


@@ -171,39 +184,46 @@ wxFont *wxFontBase::New(int pointSize,
                         const wxString& face,
                         wxFontEncoding encoding)
 {
                         const wxString& face,
                         wxFontEncoding encoding)
 {

-    return New(pointSize, family, flags2Style(flags), flags2Weight(flags),
-               flags2Underlined(flags), face, encoding);
+    return New(pointSize, family,
+               GetStyleFromFlags(flags),
+               GetWeightFromFlags(flags),
+               GetUnderlinedFromFlags(flags),
+               face, encoding);

 }
 
 /* static */
 wxFont *wxFontBase::New(const wxSize& pixelSize,
 }
 
 /* static */
 wxFont *wxFontBase::New(const wxSize& pixelSize,

-                        int family,
-                        int style,
-                        int weight,
-                        bool underlined,
+                        wxFontFamily family,
+                        int flags,

                         const wxString& face,
                         wxFontEncoding encoding)
 {
                         const wxString& face,
                         wxFontEncoding encoding)
 {

-#if defined(__WXMSW__)
-    return new wxFont(pixelSize, family, style, weight, underlined,
-                      face, encoding);
-#else
-    wxFont *self = New(10, family, style, weight, underlined, face, encoding);
-    wxScreenDC dc;
-    AdjustFontSize(*(wxFont *)self, dc, pixelSize);
-    return self;
-#endif
+    return New(pixelSize, family,
+               GetStyleFromFlags(flags),
+               GetWeightFromFlags(flags),
+               GetUnderlinedFromFlags(flags),
+               face, encoding);

 }
 
 /* static */
 }
 
 /* static */

-wxFont *wxFontBase::New(const wxSize& pixelSize,
-                        wxFontFamily family,
-                        int flags,
-                        const wxString& face,
-                        wxFontEncoding encoding)
+wxFont *wxFontBase::New(const wxNativeFontInfo& info)
+{
+    return new wxFont(info);
+}
+
+/* static */
+wxFont *wxFontBase::New(const wxString& strNativeFontDesc)
+{
+    wxNativeFontInfo fontInfo;
+    if ( !fontInfo.FromString(strNativeFontDesc) )
+        return new wxFont(*wxNORMAL_FONT);
+
+    return New(fontInfo);
+}
+
+bool wxFontBase::IsFixedWidth() const

 {
 {

-    return New(pixelSize, family, flags2Style(flags), flags2Weight(flags),
-               flags2Underlined(flags), face, encoding);
+    return GetFamily() == wxFONTFAMILY_TELETYPE;

 }
 
 wxSize wxFontBase::GetPixelSize() const
 }
 
 wxSize wxFontBase::GetPixelSize() const


@@ -220,29 +240,65 @@ bool wxFontBase::IsUsingSizeInPixels() const
 
 void wxFontBase::SetPixelSize( const wxSize& pixelSize )
 {
 
 void wxFontBase::SetPixelSize( const wxSize& pixelSize )
 {

+    wxCHECK_RET( pixelSize.GetWidth() >= 0 && pixelSize.GetHeight() > 0,
+                 "Negative values for the pixel size or zero pixel height are not allowed" );
+

     wxScreenDC dc;
     wxScreenDC dc;

-    AdjustFontSize(*(wxFont *)this, dc, pixelSize);
-}

 
 

-/* static */
-wxFont *wxFontBase::New(const wxNativeFontInfo& info)
-{
-    return new wxFont(info);
-}
+    // NOTE: this algorithm for adjusting the font size is used by all
+    //       implementations of wxFont except under wxMSW and wxGTK where
+    //       native support to font creation using pixel-size is provided.

 
 

-/* static */
-wxFont *wxFontBase::New(const wxString& strNativeFontDesc)
-{
-    wxNativeFontInfo fontInfo;
-    if ( !fontInfo.FromString(strNativeFontDesc) )
-        return new wxFont(*wxNORMAL_FONT);
+    int largestGood = 0;
+    int smallestBad = 0;

 
 

-    return New(fontInfo);
-}
+    bool initialGoodFound = false;
+    bool initialBadFound = false;

 
 

-bool wxFontBase::IsFixedWidth() const
-{
-    return GetFamily() == wxFONTFAMILY_TELETYPE;
+    // NB: this assignment was separated from the variable definition
+    // in order to fix a gcc v3.3.3 compiler crash
+    int currentSize = GetPointSize();
+    while (currentSize > 0)
+    {
+        dc.SetFont(*static_cast<wxFont*>(this));
+
+        // if currentSize (in points) results in a font that is smaller
+        // than required by pixelSize it is considered a good size
+        // NOTE: the pixel size width may be zero
+        if (dc.GetCharHeight() <= pixelSize.GetHeight() &&
+                (pixelSize.GetWidth() == 0 ||
+                 dc.GetCharWidth() <= pixelSize.GetWidth()))
+        {
+            largestGood = currentSize;
+            initialGoodFound = true;
+        }
+        else
+        {
+            smallestBad = currentSize;
+            initialBadFound = true;
+        }
+        if (!initialGoodFound)
+        {
+            currentSize /= 2;
+        }
+        else if (!initialBadFound)
+        {
+            currentSize *= 2;
+        }
+        else
+        {
+            int distance = smallestBad - largestGood;
+            if (distance == 1)
+                break;
+
+            currentSize = largestGood + distance / 2;
+        }
+
+        SetPointSize(currentSize);
+    }
+
+    if (currentSize != largestGood)
+        SetPointSize(largestGood);

 }
 
 void wxFontBase::DoSetNativeFontInfo(const wxNativeFontInfo& info)
 }
 
 void wxFontBase::DoSetNativeFontInfo(const wxNativeFontInfo& info)


@@ -253,6 +309,7 @@ void wxFontBase::DoSetNativeFontInfo(const wxNativeFontInfo& info)
     SetStyle(info.style);
     SetWeight(info.weight);
     SetUnderlined(info.underlined);
     SetStyle(info.style);
     SetWeight(info.weight);
     SetUnderlined(info.underlined);

+    SetStrikethrough(info.strikethrough);

     SetFaceName(info.faceName);
     SetEncoding(info.encoding);
 #else
     SetFaceName(info.faceName);
     SetEncoding(info.encoding);
 #else


@@ -262,6 +319,8 @@ void wxFontBase::DoSetNativeFontInfo(const wxNativeFontInfo& info)
 
 wxString wxFontBase::GetNativeFontInfoDesc() const
 {
 
 wxString wxFontBase::GetNativeFontInfoDesc() const
 {

+    wxCHECK_MSG( IsOk(), wxEmptyString, wxT("invalid font") );
+

     wxString fontDesc;
     const wxNativeFontInfo *fontInfo = GetNativeFontInfo();
     if ( fontInfo )
     wxString fontDesc;
     const wxNativeFontInfo *fontInfo = GetNativeFontInfo();
     if ( fontInfo )


@@ -279,6 +338,8 @@ wxString wxFontBase::GetNativeFontInfoDesc() const
 
 wxString wxFontBase::GetNativeFontInfoUserDesc() const
 {
 
 wxString wxFontBase::GetNativeFontInfoUserDesc() const
 {

+    wxCHECK_MSG( IsOk(), wxEmptyString, wxT("invalid font") );
+

     wxString fontDesc;
     const wxNativeFontInfo *fontInfo = GetNativeFontInfo();
     if ( fontInfo )
     wxString fontDesc;
     const wxNativeFontInfo *fontInfo = GetNativeFontInfo();
     if ( fontInfo )


@@ -324,7 +385,7 @@ bool wxFontBase::operator==(const wxFont& font) const
     // have different ref datas but still describe the same font
     return IsSameAs(font) ||
            (
     // have different ref datas but still describe the same font
     return IsSameAs(font) ||
            (

-            Ok() == font.Ok() &&
+            IsOk() == font.IsOk() &&

             GetPointSize() == font.GetPointSize() &&
             // in wxGTK1 GetPixelSize() calls GetInternalFont() which uses
             // operator==() resulting in infinite recursion so we can't use it
             GetPointSize() == font.GetPointSize() &&
             // in wxGTK1 GetPixelSize() calls GetInternalFont() which uses
             // operator==() resulting in infinite recursion so we can't use it


@@ -336,50 +397,66 @@ bool wxFontBase::operator==(const wxFont& font) const
             GetStyle() == font.GetStyle() &&
             GetWeight() == font.GetWeight() &&
             GetUnderlined() == font.GetUnderlined() &&
             GetStyle() == font.GetStyle() &&
             GetWeight() == font.GetWeight() &&
             GetUnderlined() == font.GetUnderlined() &&

+            GetStrikethrough() == font.GetStrikethrough() &&

             GetFaceName().IsSameAs(font.GetFaceName(), false) &&
             GetEncoding() == font.GetEncoding()
            );
 }
 
             GetFaceName().IsSameAs(font.GetFaceName(), false) &&
             GetEncoding() == font.GetEncoding()
            );
 }
 

+wxFontFamily wxFontBase::GetFamily() const
+{
+    wxCHECK_MSG( IsOk(), wxFONTFAMILY_UNKNOWN, wxS("invalid font") );
+
+    // Don't return wxFONTFAMILY_UNKNOWN from here because it prevents the code
+    // like wxFont(size, wxNORMAL_FONT->GetFamily(), ...) from working (see
+    // #12330). This is really just a hack but it allows to keep compatibility
+    // and doesn't really have any bad drawbacks so do this until someone comes
+    // up with a better idea.
+    const wxFontFamily family = DoGetFamily();
+
+    return family == wxFONTFAMILY_UNKNOWN ? wxFONTFAMILY_DEFAULT : family;
+}
+

 wxString wxFontBase::GetFamilyString() const
 {
 wxString wxFontBase::GetFamilyString() const
 {

-    wxCHECK_MSG( Ok(), wxT("wxDEFAULT"), wxT("invalid font") );
+    wxCHECK_MSG( IsOk(), "wxFONTFAMILY_DEFAULT", "invalid font" );

 
     switch ( GetFamily() )
     {
 
     switch ( GetFamily() )
     {

-        case wxDECORATIVE:   return wxT("wxDECORATIVE");
-        case wxROMAN:        return wxT("wxROMAN");
-        case wxSCRIPT:       return wxT("wxSCRIPT");
-        case wxSWISS:        return wxT("wxSWISS");
-        case wxMODERN:       return wxT("wxMODERN");
-        case wxTELETYPE:     return wxT("wxTELETYPE");
-        default:             return wxT("wxDEFAULT");
+        case wxFONTFAMILY_DECORATIVE:   return "wxFONTFAMILY_DECORATIVE";
+        case wxFONTFAMILY_ROMAN:        return "wxFONTFAMILY_ROMAN";
+        case wxFONTFAMILY_SCRIPT:       return "wxFONTFAMILY_SCRIPT";
+        case wxFONTFAMILY_SWISS:        return "wxFONTFAMILY_SWISS";
+        case wxFONTFAMILY_MODERN:       return "wxFONTFAMILY_MODERN";
+        case wxFONTFAMILY_TELETYPE:     return "wxFONTFAMILY_TELETYPE";
+        case wxFONTFAMILY_UNKNOWN:      return "wxFONTFAMILY_UNKNOWN";
+        default:                        return "wxFONTFAMILY_DEFAULT";

     }
 }
 
 wxString wxFontBase::GetStyleString() const
 {
     }
 }
 
 wxString wxFontBase::GetStyleString() const
 {

-    wxCHECK_MSG( Ok(), wxT("wxDEFAULT"), wxT("invalid font") );
+    wxCHECK_MSG( IsOk(), "wxFONTSTYLE_DEFAULT", "invalid font" );

 
     switch ( GetStyle() )
     {
 
     switch ( GetStyle() )
     {

-        case wxNORMAL:   return wxT("wxNORMAL");
-        case wxSLANT:    return wxT("wxSLANT");
-        case wxITALIC:   return wxT("wxITALIC");
-        default:         return wxT("wxDEFAULT");
+        case wxFONTSTYLE_NORMAL:   return "wxFONTSTYLE_NORMAL";
+        case wxFONTSTYLE_SLANT:    return "wxFONTSTYLE_SLANT";
+        case wxFONTSTYLE_ITALIC:   return "wxFONTSTYLE_ITALIC";
+        default:                   return "wxFONTSTYLE_DEFAULT";

     }
 }
 
 wxString wxFontBase::GetWeightString() const
 {
     }
 }
 
 wxString wxFontBase::GetWeightString() const
 {

-    wxCHECK_MSG( Ok(), wxT("wxDEFAULT"), wxT("invalid font") );
+    wxCHECK_MSG( IsOk(), "wxFONTWEIGHT_DEFAULT", "invalid font" );

 
     switch ( GetWeight() )
     {
 
     switch ( GetWeight() )
     {

-        case wxNORMAL:   return wxT("wxNORMAL");
-        case wxBOLD:     return wxT("wxBOLD");
-        case wxLIGHT:    return wxT("wxLIGHT");
-        default:         return wxT("wxDEFAULT");
+        case wxFONTWEIGHT_NORMAL:   return "wxFONTWEIGHT_NORMAL";
+        case wxFONTWEIGHT_BOLD:     return "wxFONTWEIGHT_BOLD";
+        case wxFONTWEIGHT_LIGHT:    return "wxFONTWEIGHT_LIGHT";
+        default:                    return "wxFONTWEIGHT_DEFAULT";

     }
 }
 
     }
 }
 


@@ -388,7 +465,7 @@ bool wxFontBase::SetFaceName(const wxString& facename)
 #if wxUSE_FONTENUM
     if (!wxFontEnumerator::IsValidFacename(facename))
     {
 #if wxUSE_FONTENUM
     if (!wxFontEnumerator::IsValidFacename(facename))
     {

-        UnRef();        // make Ok() return false
+        UnRef();        // make IsOk() return false

         return false;
     }
 #else // !wxUSE_FONTENUM
         return false;
     }
 #else // !wxUSE_FONTENUM


@@ -398,6 +475,93 @@ bool wxFontBase::SetFaceName(const wxString& facename)
     return true;
 }
 
     return true;
 }
 

+void wxFontBase::SetSymbolicSize(wxFontSymbolicSize size)
+{
+    SetSymbolicSizeRelativeTo(size, wxNORMAL_FONT->GetPointSize());
+}
+
+/* static */
+int wxFontBase::AdjustToSymbolicSize(wxFontSymbolicSize size, int base)
+{
+    // Using a fixed factor (1.2, from CSS2) is a bad idea as explained at
+    // http://www.w3.org/TR/CSS21/fonts.html#font-size-props so use the values
+    // from http://style.cleverchimp.com/font_size_intervals/altintervals.html
+    // instead.
+    static const float factors[] = { 0.60f, 0.75f, 0.89f, 1.f, 1.2f, 1.5f, 2.f };
+
+    wxCOMPILE_TIME_ASSERT
+    (
+        WXSIZEOF(factors) == wxFONTSIZE_XX_LARGE - wxFONTSIZE_XX_SMALL + 1,
+        WrongFontSizeFactorsSize
+    );
+
+    return wxRound(factors[size - wxFONTSIZE_XX_SMALL]*base);
+}
+
+wxFont& wxFont::MakeBold()
+{
+    SetWeight(wxFONTWEIGHT_BOLD);
+    return *this;
+}
+
+wxFont wxFont::Bold() const
+{
+    wxFont font(*this);
+    font.MakeBold();
+    return font;
+}
+
+wxFont& wxFont::MakeItalic()
+{
+    SetStyle(wxFONTSTYLE_ITALIC);
+    return *this;
+}
+
+wxFont wxFont::Italic() const
+{
+    wxFont font(*this);
+    font.MakeItalic();
+    return font;
+}
+
+wxFont& wxFont::MakeUnderlined()
+{
+    SetUnderlined(true);
+    return *this;
+}
+
+wxFont wxFont::Underlined() const
+{
+    wxFont font(*this);
+    font.MakeUnderlined();
+    return font;
+}
+
+wxFont wxFont::Strikethrough() const
+{
+    wxFont font(*this);
+    font.MakeStrikethrough();
+    return font;
+}
+
+wxFont& wxFont::MakeStrikethrough()
+{
+    SetStrikethrough(true);
+    return *this;
+}
+
+wxFont& wxFont::Scale(float x)
+{
+    SetPointSize(int(x*GetPointSize() + 0.5));
+    return *this;
+}
+
+wxFont wxFont::Scaled(float x) const
+{
+    wxFont font(*this);
+    font.Scale(x);
+    return font;
+}

 
 // ----------------------------------------------------------------------------
 // wxNativeFontInfo
 
 // ----------------------------------------------------------------------------
 // wxNativeFontInfo


@@ -430,19 +594,22 @@ void wxNativeFontInfo::SetFaceName(const wxArrayString& facenames)
 
 // These are the generic forms of FromString()/ToString.
 //
 
 // These are the generic forms of FromString()/ToString.
 //

-// convert to/from the string representation: format is
-//      version;pointsize;family;style;weight;underlined;facename;encoding
+// convert to/from the string representation: the general format is
+// "version;the rest..." with currently defined versions being:
+//
+//      0;pointsize;family;style;weight;underlined;facename;encoding
+//      1;pointsize;family;style;weight;underlined;strikethrough;facename;encoding

 
 bool wxNativeFontInfo::FromString(const wxString& s)
 {
     long l;
 
 bool wxNativeFontInfo::FromString(const wxString& s)
 {
     long l;

+    unsigned long version;

 
 

-    wxStringTokenizer tokenizer(s, _T(";"));
+    wxStringTokenizer tokenizer(s, wxT(";"));

 
     wxString token = tokenizer.GetNextToken();
 
     wxString token = tokenizer.GetNextToken();

-    //
-    //  Ignore the version for now
-    //
+    if ( !token.ToULong(&version) || version > 1 )
+        return false;

 
     token = tokenizer.GetNextToken();
     if ( !token.ToLong(&l) )
 
     token = tokenizer.GetNextToken();
     if ( !token.ToLong(&l) )


@@ -469,6 +636,14 @@ bool wxNativeFontInfo::FromString(const wxString& s)
         return false;
     underlined = l != 0;
 
         return false;
     underlined = l != 0;
 

+    if ( version == 1 )
+    {
+        token = tokenizer.GetNextToken();
+        if ( !token.ToLong(&l) )
+            return false;
+        strikethrough = l != 0;
+    }
+

     faceName = tokenizer.GetNextToken();
 
 #ifndef __WXMAC__
     faceName = tokenizer.GetNextToken();
 
 #ifndef __WXMAC__


@@ -488,13 +663,14 @@ wxString wxNativeFontInfo::ToString() const
 {
     wxString s;
 
 {
     wxString s;
 

-    s.Printf(_T("%d;%d;%d;%d;%d;%d;%s;%d"),
-             0,                                 // version
+    s.Printf(wxT("%d;%d;%d;%d;%d;%d;%d;%s;%d"),
+             1,                                 // version

              pointSize,
              family,
              (int)style,
              (int)weight,
              underlined,
              pointSize,
              family,
              (int)style,
              (int)weight,
              underlined,

+             strikethrough,

              faceName.GetData(),
              (int)encoding);
 
              faceName.GetData(),
              (int)encoding);
 


@@ -508,6 +684,7 @@ void wxNativeFontInfo::Init()
     style = wxFONTSTYLE_NORMAL;
     weight = wxFONTWEIGHT_NORMAL;
     underlined = false;
     style = wxFONTSTYLE_NORMAL;
     weight = wxFONTWEIGHT_NORMAL;
     underlined = false;

+    strikethrough = false;

     faceName.clear();
     encoding = wxFONTENCODING_DEFAULT;
 }
     faceName.clear();
     encoding = wxFONTENCODING_DEFAULT;
 }


@@ -532,6 +709,11 @@ bool wxNativeFontInfo::GetUnderlined() const
     return underlined;
 }
 
     return underlined;
 }
 

+bool wxNativeFontInfo::GetStrikethrough() const
+{
+    return strikethrough;
+}
+

 wxString wxNativeFontInfo::GetFaceName() const
 {
     return faceName;
 wxString wxNativeFontInfo::GetFaceName() const
 {
     return faceName;


@@ -567,6 +749,11 @@ void wxNativeFontInfo::SetUnderlined(bool underlined_)
     underlined = underlined_;
 }
 
     underlined = underlined_;
 }
 

+void wxNativeFontInfo::SetStrikethrough(bool strikethrough_)
+{
+    strikethrough = strikethrough_;
+}
+

 bool wxNativeFontInfo::SetFaceName(const wxString& facename_)
 {
     faceName = facename_;
 bool wxNativeFontInfo::SetFaceName(const wxString& facename_)
 {
     faceName = facename_;


@@ -590,7 +777,7 @@ void wxNativeFontInfo::SetEncoding(wxFontEncoding encoding_)
 // format there anyhow (but there is a well-defined standard for X11 fonts used
 // by wxGTK and wxMotif)
 
 // format there anyhow (but there is a well-defined standard for X11 fonts used
 // by wxGTK and wxMotif)
 

-#if defined(wxNO_NATIVE_FONTINFO) || defined(__WXMSW__) || defined (__WXPM__)
+#if defined(wxNO_NATIVE_FONTINFO) || defined(__WXMSW__) || defined (__WXPM__) || defined(__WXOSX__)

 
 wxString wxNativeFontInfo::ToUserString() const
 {
 
 wxString wxNativeFontInfo::ToUserString() const
 {


@@ -603,10 +790,15 @@ wxString wxNativeFontInfo::ToUserString() const
         desc << _("underlined");
     }
 
         desc << _("underlined");
     }
 

+    if ( GetStrikethrough() )
+    {
+        desc << _("strikethrough");
+    }
+

     switch ( GetWeight() )
     {
         default:
     switch ( GetWeight() )
     {
         default:

-            wxFAIL_MSG( _T("unknown font weight") );
+            wxFAIL_MSG( wxT("unknown font weight") );

             // fall through
 
         case wxFONTWEIGHT_NORMAL:
             // fall through
 
         case wxFONTWEIGHT_NORMAL:


@@ -624,7 +816,7 @@ wxString wxNativeFontInfo::ToUserString() const
     switch ( GetStyle() )
     {
         default:
     switch ( GetStyle() )
     {
         default:

-            wxFAIL_MSG( _T("unknown font style") );
+            wxFAIL_MSG( wxT("unknown font style") );

             // fall through
 
         case wxFONTSTYLE_NORMAL:
             // fall through
 
         case wxFONTSTYLE_NORMAL:


@@ -640,20 +832,74 @@ wxString wxNativeFontInfo::ToUserString() const
     wxString face = GetFaceName();
     if ( !face.empty() )
     {
     wxString face = GetFaceName();
     if ( !face.empty() )
     {

-        desc << _T(' ') << face;
+        if (face.Contains(' ') || face.Contains(';') || face.Contains(','))
+        {
+            face.Replace("'", "");
+                // eventually remove quote characters: most systems do not
+                // allow them in a facename anyway so this usually does nothing
+
+            // make it possible for FromUserString() function to understand
+            // that the different words which compose this facename are
+            // not different adjectives or other data but rather all parts
+            // of the facename
+            desc << wxT(" '") << face << _("'");
+        }
+        else
+            desc << wxT(' ') << face;
+    }
+    else // no face name specified
+    {
+        // use the family
+        wxString familyStr;
+        switch ( GetFamily() )
+        {
+            case wxFONTFAMILY_DECORATIVE:
+                familyStr = "decorative";
+                break;
+
+            case wxFONTFAMILY_ROMAN:
+                familyStr = "roman";
+                break;
+
+            case wxFONTFAMILY_SCRIPT:
+                familyStr = "script";
+                break;
+
+            case wxFONTFAMILY_SWISS:
+                familyStr = "swiss";
+                break;
+
+            case wxFONTFAMILY_MODERN:
+                familyStr = "modern";
+                break;
+
+            case wxFONTFAMILY_TELETYPE:
+                familyStr = "teletype";
+                break;
+
+            case wxFONTFAMILY_DEFAULT:
+            case wxFONTFAMILY_UNKNOWN:
+                break;
+
+            default:
+                wxFAIL_MSG( "unknown font family" );
+        }
+
+        if ( !familyStr.empty() )
+            desc << " '" << familyStr << " family'";

     }
 
     int size = GetPointSize();
     if ( size != wxNORMAL_FONT->GetPointSize() )
     {
     }
 
     int size = GetPointSize();
     if ( size != wxNORMAL_FONT->GetPointSize() )
     {

-        desc << _T(' ') << size;
+        desc << wxT(' ') << size;

     }
 
 #if wxUSE_FONTMAP
     wxFontEncoding enc = GetEncoding();
     if ( enc != wxFONTENCODING_DEFAULT && enc != wxFONTENCODING_SYSTEM )
     {
     }
 
 #if wxUSE_FONTMAP
     wxFontEncoding enc = GetEncoding();
     if ( enc != wxFONTENCODING_DEFAULT && enc != wxFONTENCODING_SYSTEM )
     {

-        desc << _T(' ') << wxFontMapper::GetEncodingName(enc);
+        desc << wxT(' ') << wxFontMapper::GetEncodingName(enc);

     }
 #endif // wxUSE_FONTMAP
 
     }
 #endif // wxUSE_FONTMAP
 


@@ -665,10 +911,13 @@ bool wxNativeFontInfo::FromUserString(const wxString& s)
     // reset to the default state
     Init();
 
     // reset to the default state
     Init();
 

+    // ToUserString() will quote the facename if it contains spaces, commas
+    // or semicolons: we must be able to understand that quoted text is
+    // a single token:
+    wxString toparse(s);
+

     // parse a more or less free form string
     // parse a more or less free form string

-    //
-    // TODO: we should handle at least the quoted facenames
-    wxStringTokenizer tokenizer(s, _T(";, "), wxTOKEN_STRTOK);
+    wxStringTokenizer tokenizer(toparse, wxT(";, "), wxTOKEN_STRTOK);

 
     wxString face;
     unsigned long size;
 
     wxString face;
     unsigned long size;


@@ -676,6 +925,7 @@ bool wxNativeFontInfo::FromUserString(const wxString& s)
 #if wxUSE_FONTMAP
     bool encodingfound = false;
 #endif
 #if wxUSE_FONTMAP
     bool encodingfound = false;
 #endif

+    bool insideQuotes = false;

 
     while ( tokenizer.HasMoreTokens() )
     {
 
     while ( tokenizer.HasMoreTokens() )
     {


@@ -683,23 +933,55 @@ bool wxNativeFontInfo::FromUserString(const wxString& s)
 
         // normalize it
         token.Trim(true).Trim(false).MakeLower();
 
         // normalize it
         token.Trim(true).Trim(false).MakeLower();

+        if (insideQuotes)
+        {
+            if (token.StartsWith("'") ||
+                token.EndsWith("'"))
+            {
+                insideQuotes = false;
+
+                // add this last token to the facename:
+                face += " " + token;
+
+                // normalize facename:
+                face = face.Trim(true).Trim(false);
+                face.Replace("'", "");
+
+                continue;
+            }
+        }
+        else
+        {
+            if (token.StartsWith("'"))
+                insideQuotes = true;
+        }

 
         // look for the known tokens
 
         // look for the known tokens

-        if ( token == _T("underlined") || token == _("underlined") )
+        if ( insideQuotes )
+        {
+            // only the facename may be quoted:
+            face += " " + token;
+            continue;
+        }
+        if ( token == wxT("underlined") || token == _("underlined") )

         {
             SetUnderlined(true);
         }
         {
             SetUnderlined(true);
         }

-        else if ( token == _T("light") || token == _("light") )
+        else if ( token == wxT("strikethrough") || token == _("strikethrough") )
+        {
+            SetStrikethrough(true);
+        }
+        else if ( token == wxT("light") || token == _("light") )

         {
             SetWeight(wxFONTWEIGHT_LIGHT);
             weightfound = true;
         }
         {
             SetWeight(wxFONTWEIGHT_LIGHT);
             weightfound = true;
         }

-        else if ( token == _T("bold") || token == _("bold") )
+        else if ( token == wxT("bold") || token == _("bold") )

         {
             SetWeight(wxFONTWEIGHT_BOLD);
             weightfound = true;
         }
         {
             SetWeight(wxFONTWEIGHT_BOLD);
             weightfound = true;
         }

-        else if ( token == _T("italic") || token == _("italic") )
+        else if ( token == wxT("italic") || token == _("italic") )

         {
             SetStyle(wxFONTSTYLE_ITALIC);
         }
         {
             SetStyle(wxFONTSTYLE_ITALIC);
         }


@@ -726,7 +1008,7 @@ bool wxNativeFontInfo::FromUserString(const wxString& s)
                 // assume it is the face name
             if ( !face.empty() )
             {
                 // assume it is the face name
             if ( !face.empty() )
             {

-                face += _T(' ');
+                face += wxT(' ');

             }
 
             face += token;
             }
 
             face += token;


@@ -744,10 +1026,32 @@ bool wxNativeFontInfo::FromUserString(const wxString& s)
         // bar")
         if ( !face.empty() )
         {
         // bar")
         if ( !face.empty() )
         {

+            wxString familyStr;
+            if ( face.EndsWith(" family", &familyStr) )
+            {
+                // it's not a facename but rather a font family
+                wxFontFamily family;
+                if ( familyStr == "decorative" )
+                    family = wxFONTFAMILY_DECORATIVE;
+                else if ( familyStr == "roman" )
+                    family = wxFONTFAMILY_ROMAN;
+                else if ( familyStr == "script" )
+                    family = wxFONTFAMILY_SCRIPT;
+                else if ( familyStr == "swiss" )
+                    family = wxFONTFAMILY_SWISS;
+                else if ( familyStr == "modern" )
+                    family = wxFONTFAMILY_MODERN;
+                else if ( familyStr == "teletype" )
+                    family = wxFONTFAMILY_TELETYPE;
+                else
+                    return false;
+
+                SetFamily(family);
+            }

             // NB: the check on the facename is implemented in wxFontBase::SetFaceName
             // NB: the check on the facename is implemented in wxFontBase::SetFaceName

-            //     and not in wxNativeFontInfo::SetFaceName thus we need to explicitely
+            //     and not in wxNativeFontInfo::SetFaceName thus we need to explicitly

             //     call here wxFontEnumerator::IsValidFacename
             //     call here wxFontEnumerator::IsValidFacename

-            if (
+            else if (

 #if wxUSE_FONTENUM
                     !wxFontEnumerator::IsValidFacename(face) ||
 #endif // wxUSE_FONTENUM
 #if wxUSE_FONTENUM
                     !wxFontEnumerator::IsValidFacename(face) ||
 #endif // wxUSE_FONTENUM


@@ -764,7 +1068,7 @@ bool wxNativeFontInfo::FromUserString(const wxString& s)
     if ( !face.empty() )
     {
         // NB: the check on the facename is implemented in wxFontBase::SetFaceName
     if ( !face.empty() )
     {
         // NB: the check on the facename is implemented in wxFontBase::SetFaceName

-        //     and not in wxNativeFontInfo::SetFaceName thus we need to explicitely
+        //     and not in wxNativeFontInfo::SetFaceName thus we need to explicitly

         //     call here wxFontEnumerator::IsValidFacename
         if (
 #if wxUSE_FONTENUM
         //     call here wxFontEnumerator::IsValidFacename
         if (
 #if wxUSE_FONTENUM


@@ -805,7 +1109,7 @@ wxString wxToString(const wxFontBase& font)
 
 bool wxFromString(const wxString& str, wxFontBase *font)
 {
 
 bool wxFromString(const wxString& str, wxFontBase *font)
 {

-    wxCHECK_MSG( font, false, _T("NULL output parameter") );
+    wxCHECK_MSG( font, false, wxT("NULL output parameter") );

 
     if ( str.empty() )
     {
 
     if ( str.empty() )
     {